La trappola originale
Helmut Griem
Benno
Delia Boccardo
Elda
Ellis Lowell
Primo negro
Dante Biagioni
Il commissario
Henry Riley
Secondo negro
Nando Gazzolo
L'altro
Silvio Maestranzi
Director
Lio Beghin
Story
Goffredo Potier
Producer
Piero Piccioni
Music
Franco Di Giacomo
Cinematography
Alfredo Muschietti
Editor
Giuseppe Bassan
Art Direction
Vera Cozzolino
Costume Design
Placida Crapanzano
Hairstylist
Franco Di Girolamo
Makeup Artist
Mino Barbera
Production Secretary
Adriano Di Lorenzo
Production Supervisor
Pietro Nardi
Production Manager
Susanna Bolchi
Assistant Director
Renato Mondragone
Property Master
Giuseppe Pagnotta
Property Master
Fabio Ancillai
Sound
Gino Vagniluca
Special Effects
Ottaviano Dell'Acqua
Stunts
Mauro Anzelotti
Key Grip
Franco Bruni
Camera Operator
Giorgio Di Battista
Camera Operator
Roberto Meddi
Assistant Camera
Silvano Tessicini
Assistant Camera
Rita Cirilli
Seamstress
Claudia Vivenzio
First Assistant Editor
Marisa Agostini
Script Supervisor